Eroare de compilare: user.cpp: In function ‘void DFS_tree(const int&)’: user.cpp:24:9: error: expected primary-expression before ‘}’ token } ^ user.cpp:24:9: error: expected ‘;’ before ‘}’ token user.cpp: In function ‘int main()’: user.cpp:34:21: warning: unused variable ‘_start’ [-Wunused-variable] int M, i, a, b, _start, start, dest; ^ user.cpp:34:29: warning: unused variable ‘start’ [-Wunused-variable] int M, i, a, b, _start, start, dest; ^ user.cpp:34:36: warning: unused variable ‘dest’ [-Wunused-variable] int M, i, a, b, _start, start, dest; ^